Joseph cordnan



@nitro gisten stnt @fitta JOSEPH CORD-NAN, OF BROOKLYN, NEW YORK, ASSIGNOR TO HIMSELF ANDY R. W.- POTTER, OF SAME PLAGE.

Lettere .Patent No. 76,166, dated Mm'ctVSI, 1868; anteolated March 17, 1868,

FLUID-INDICATOR.

TO ALL WHOM' IT MAY CONCER'N:

Be it known that I, JOSEPH CORDNAN, of the city ot' Brooklyn, in theState of New York, havev invented certain new: and useful Improvements in Fluid-Ind'icators;V and do hereby declare the following to be a full, clear, and exact' description of the same,ret`orenee being' hadto the accompanyingldrawings, and to thegures and letters marked thereon. Of'thesc drawingsY i Figure]` is a longitudinal central sectionof the indicator.

Figure v2`is a plan view. l

4Figure 3' is a plan view of the top of the registering-mechanism,

Figure 4'is a bottom View ofthe registering-mechanism; and

Figure 5, anV internal plan 'yiew with the registcring-meclianism removed.

Similar letters ofpreferencc indicate corresponding parts Ain the several figures.

, In my improved fluid-indicator there is an exterior vessel, of a conical sha-pe, containing a screw with spiral bladeswhich taper 'towards 'the apex or narro'ivest part of such vessel. The fluid acting on such spiralA blades, produces a centripe-tal action, thereby overcoming the great Wear of' the centres, and obviating the consequent defective'operation of indicators as heretofore constructed.

The mechanismvfor registering thc'iiow of the fluid is placed within and at the base of this cone-shaped vessel, and arranged around the spindle containing the spiral tapering blades,lan"dg constructed with a series of worms or endless screws and cog-wheels, so asto give compaetn'ess, avoid packing 'o-f joints, and have a com tinuons screw-mechanism throughout. This arrangement of the blades and registering-mechanism is intended to secure the greatest power with-the least friction.

Y In order to further overconie friction," and consequent wear of parts, I propose to make th'e cent-res or bearings of the spindle, oontainingthe radial tapering blades, o'f a compound of copper and tin, and which will run into recesses, in the ends of 'the spindle, composed of or 'faced with horn, the water acting on the same as a lubricator. I l I A In t-he accompanying drawings, -a represents the conicali-shapedvessel; b, a spindle, constructed with spiral radial blades, (I have found that with three there is obtained a perfect working) c c c,- set at a varying angle, and with a curvature, on the Suter extremities of each blade, to conforlnwith the inner periphery of the conical vessel. In the apex or narrowest part of the vessel is the eduction-aperture, and Within it is placed an arm, d, whichY contains a centre or bearing, e, which passes into the recess f-of the spindle 6, such recessv being con1- posed of orlined with horn. The upperendof this spindle finds a bearing on a pivot placedainlan arm, g,just within the induetico-aperture, where the horn recess is also used. At some distance along the spindle b is placed a Worm o1' endless screw, i,`wlxich gears Vwith the registering-mechanism attached tothe` plate and around the said spindle. This mechanism can be inserted within the body of the indicator, or rernoved 'there from at pleasure, being held in place bythe arms jjj; A

The registering-mechanism. is arranged with the-worms l 2 3 and cog-Wheels 4, 5, 6, and 7, in connectior with the 4index-wheels, Sto., 'so-as to register two gallons, (or cubic feet, if required,) and' multiples of this nuniber, in a comp-act manuel', with less gear than generally used. I prefer that shown, though vthis registering; lmechanism can be constructed in manydilterent ways. In the one I havc shown there is certaintyof movement; Solid matter in thelluid is not liable,l to affect its` operation, and every index, in the train is locked and motioliless, except by the movement of the screw. v Y I k is a solid piece of glass, which I prefe'r to b e slightly convex, placed in av suitable frame, through` the centre of which passes the induction-aperture before refenrcd to.' This plate or piece of glass is 4,held 'down byl the rinl Z pressing on to it,"and screwing into the body of the vessel. A piece of rubber is interposed between the glassandvessel, that is, placed on a shouldeniu the vessel at m, on to which presses the frame containing' the glass, andthns affords a good packing, but any other convenient way of packing may be' adopted. At a point in the induction-pipe just before theluid passes into the vessel, I place a Wir'cscreen, n, so as to prevent. solid substances from passing through the indicator. At a pointin the eclu'ction-pipe, and just outside of the vessel, I placetauother screen, o, so that the circular motion of the fluid received by passing on to the radial blades may be broken, and to assist the fluid in moving along again in a right line. Instead of" having the induction-aperture at the centre of the plate or pieceof glass, it `may be placed attlxe side, as shown in figs. `1, 2, and 5, in red lines, and thereby permitof a whollyiunobstructed view of the indexes ofthe registeringmechanisui. v

This indicator will measure uids with the utmost nicety under any head or pressure of Water, as has been demonstrated by actual tests, and will not, in use, become defective by reason of the rapid wear of centres, as is the case with registers heretofore constructed, the overcoming -of this dilliculty bein'g due to the centripe'tal principle upon which my register operates, and the screw'and registering-mechanism being, as before stated, constructed in one continuous screw. A

Having described my indicator, what I claim asjnew, and desire to secure by Letters `Patent, is

l. A 'screw composed of blades, of a spiral tapering form, .in combination witlra conical-shaped vessel or surface adapted to such screw, and a registering-mechanism, substantially as and for the purpose herein described.

2. The employment, in the endsof the spindle of said screw, of horned recesses, substantially as and for the purpose described.

3. The arrangement of the registeringlmechansm around the spindle ofthe screw, and within the body of the indicator, substantially as and for the purpose described. i

4. The construction ofthe registering-mechanism, substantially as described, sa as to form an endless screw throughout, and thereby overcomefriction and increase'the facility of the indicator to register.

5. The arrangement of ganze-wire Work Within the induction-aperture, substantially. as described, in order to .prevent substances from passing into the indicator; n v

6. The arrangement of gauze-Wire Work Within the eduction-aperturc, so asto destroy the circular motion that the iud receives in passing through the indicator.

JOSEPH CORDNAN.

Witnesses:

R. W. POTTER, ANDREW I. TODD. 

